CN218440028U

CN218440028U - Light truck cab lifting device and light truck thereof

Info

Publication number: CN218440028U
Application number: CN202222440904.9U
Authority: CN
Inventors: 孙志春; 耿延强; 刘国强; 冯冲; 杨春风; 王思勉
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2022-09-15
Filing date: 2022-09-15
Publication date: 2023-02-03
Anticipated expiration: 2032-09-15

Abstract

The utility model discloses a light truck cab lifting device, which comprises a lifting oil cylinder assembly, a lifting oil pump assembly, a lifting oil cylinder upper bracket, a lifting oil cylinder lower bracket, an oil pipe, a lifting motor bracket, a cab and a chassis, wherein the lifting oil cylinder assembly comprises a piston rod, an outer cylinder barrel and an oil pipe joint; the oil pipe joint is arranged at the bottom of an outer cylinder barrel of the lifting oil cylinder assembly and is connected with the lifting oil pump assembly through an oil pipe. The utility model provides a problem that the driver's cabin bounced suddenly under the torsion bar spring torsion effect after the unblock, improved the security, reduced weight and cost, practiced thrift and arranged the space.

Description

Light truck cab lifting device and light truck thereof

Technical Field

The utility model relates to a pickup truck driver's cabin lifting devices and pickup truck thereof belongs to pickup truck spare part technical field.

Background

Along with the continuous development of engineering technology, people require more and more to light truck operation convenience, and also more and more high to the degree of attention of safety in utilization simultaneously, but current light truck driver's cabin lifts and is the torsion bar spring system of lifting, has following defect: 1. when the locking is unlocked or fails, the cab can suddenly bounce under the action of the torsion bar spring, so that drivers and passengers or operators are frightened, and even people are injured by bouncing; 2. when the cab falls back, the safety stay bar is unlocked, the cab falls down suddenly under the action of gravity, operators are frightened, and even people are injured by falling; 3. the performance of the torsion bar spring declines to a certain extent along with the increase of time and mileage, so that a cab is turned up heavily, and the operation convenience is poor; 4. although the problems are solved, the cab is inclined due to the fact that the rigidity of a cab body of a light truck is poor, and a rear suspension cannot fall into a hydraulic lock when the cab is seriously lifted by the single-cylinder single-side hydraulic lifting; 5. although the problems are solved by the bilateral double-cylinder hydraulic lifting, two sets of lifting cylinder assemblies and mounting supports need to be arranged, the weight is large, the cost is high, and meanwhile, the difficulty is brought to the arrangement of the whole vehicle.

Disclosure of Invention

The utility model aims to solve the technical problem that to the defect that prior art exists, provide a pickup truck driver's cabin lifting device and pickup truck thereof, adopt the integrated mechanical retainer of lift cylinder, improve the security.

In order to solve the technical problem, the utility model provides a light truck cab lifting device, which comprises a lifting oil cylinder assembly, a lifting oil pump assembly, a lifting oil cylinder upper support, a lifting oil cylinder lower support, an oil pipe, a lifting motor support, a cab and a chassis, wherein the lifting oil cylinder assembly comprises a piston rod, an outer cylinder barrel and an oil pipe joint; the oil pipe joint is arranged at the bottom of an outer cylinder barrel of the lifting oil cylinder assembly and is connected with the lifting oil pump assembly through an oil pipe.

It sets up three screw hole one and passes through the bolt fastening on the vehicle to lift oil pump assembly medial surface, and the rear portion sets up and beats the pressure switch and be used for holding the crowbar when manual lifting, and the front portion sets up the oil tank and is used for storing hydraulic oil, and the lower part sets up hydraulic fluid port one and is used for providing hydraulic oil for whole lifting system, and the lateral surface sets up the reversing handle and is used for switching over the mode of lifting and the mode of falling back, and the reversing handle lower part sets up the cable simultaneously and is used for the unblock to lift jar clog.

The upper part of the lifting oil cylinder assembly is provided with a lifting oil cylinder upper mounting lug which is mounted on a lifting oil cylinder upper support of the lifting oil cylinder through a bolt in a lifting oil cylinder upper mounting open gear, and the lower part of the lifting oil cylinder assembly is provided with a lifting oil cylinder lower mounting lug which is mounted on a lifting oil cylinder lower support of the lifting oil cylinder through a bolt in a lifting oil cylinder lower mounting open gear.

The top of the upper support of the lifting oil cylinder is provided with four upper mounting holes of the lifting oil cylinder, the upper support of the lifting oil cylinder penetrates through the upper mounting holes of the lifting oil cylinder through bolts to be in threaded connection with a cab or in welded or riveted connection, and the lower part of the upper support of the lifting oil cylinder is provided with an upper mounting opening of the lifting oil cylinder for mounting a lifting oil cylinder assembly; the front part of the lower support of the lifting oil cylinder is provided with four lower mounting holes of the lifting oil cylinder, the lower mounting holes are in threaded connection with the chassis through bolts or are connected with the chassis through welding or riveting, and the lower part of the lower support of the lifting oil cylinder is provided with a lower mounting opening of the lifting oil cylinder for mounting a lifting oil cylinder assembly.

The oil pipe is provided with joints to connect with all functional parts of the lifting system, and the middle part of the oil pipe is provided with an oil delivery hose to deliver hydraulic oil among all the functional parts.

The side surface of the lifting motor is provided with two threaded holes II which are fixed on a lifting motor support through bolts, the lower part of the lifting motor is provided with an oil port II for connecting an oil pipe, and the upper part of the lifting motor is provided with a plug for connecting a circuit of the whole vehicle so as to provide electric energy for the motor.

The rear part of the lifting motor support is provided with two mounting holes I which are connected with threaded holes II of the lifting motor through bolts, and the side surface of the lifting motor support is provided with two mounting holes II which are used for fixing the lifting motor support on the chassis.

The lower support of the lifting oil cylinder is arranged on a cross beam and is positioned forward relative to the upper support of the lifting oil cylinder.

The upper part of an outer cylinder barrel of the lifting oil cylinder assembly is provided with a stopper limiting block and a stopper unlocking switch through a mounting bracket, and a lifting lug on the lifting oil cylinder is provided with a stopper limiting bracket; the immobilizer unlocking switch is formed by welding a handle and a shaft, the mounting bracket, the torsion spring and the immobilizer limiting block are connected through the shaft, the split pin is axially limited, and the round hole in the upper part of the shaft and the round hole in the upper part of the immobilizer limiting block are positioned by penetrating a pin.

The utility model also provides a light truck, light truck be equipped with as above driver's cabin lifting devices.

Has the beneficial effects that: the hydraulic lifting system is adopted, a torsion bar spring adopted by the traditional light truck is cancelled, and the problems that after unlocking, a cab can bounce suddenly under the torsion bar spring torsion force, so that drivers and passengers or operators are frightened, and even people are injured due to bouncing are solved; the single-cylinder middle lifting is adopted, the problems of cab deflection and difficult locking caused by insufficient rigidity of the light truck cab are solved, the weight and the cost are reduced, and the arrangement space is saved. And a manual hydraulic lifting configuration can be adopted, the number of parts is further reduced, the weight and the cost are reduced, and meanwhile, the operation convenience and the safety are still better than those of a traditional torsion bar spring type lifting system of a light truck. Adopt the integrated mechanical retainer of lift cylinder, improved the security, practiced thrift safe vaulting pole or lift stretching strap, further reduced weight and cost, practiced thrift and arranged the space.

Drawings

FIG. 1 is a schematic view of the assembly of the present invention;

FIG. 2 is a schematic view of the structure of the lift cylinder assembly of the present invention;

FIG. 3 is a schematic structural view of the lift cylinder locking device of the present invention

FIG. 4 is a schematic structural view of the lift oil pump assembly of the present invention;

FIG. 5 is a schematic structural view of the upper bracket of the lift cylinder of the present invention;

FIG. 6 is a schematic structural view of the lower bracket of the lift cylinder of the present invention;

FIG. 7 is a schematic structural view of the lifting oil pipe of the present invention;

FIG. 8 is a schematic structural diagram of the lifting motor of the present invention;

fig. 9 is a schematic structural view of the lifting motor bracket of the present invention;

fig. 10 is a schematic structural view of the cab of the present invention;

fig. 11 is a schematic structural diagram of the chassis of the present invention.

In the figure: 1. lifting the oil cylinder assembly; 101. lifting lugs are arranged on the lifting oil cylinders; 102. a lifting lug is arranged below the lifting oil cylinder; 103. a piston rod; 104. an outer cylinder barrel; 105. a retainer limit bracket; 106. a stopper; 107. a stopper unlock switch; 1071. a handle; 1072. a shaft; 108. an oil pipe joint; 109. Mounting a bracket; 110. a torsion spring; 111. a cotter pin; 112. a pin; 2. lifting the oil pump assembly; 201. A first threaded hole; 202. pressing a switch; 203. an oil tank; 204. a first oil port; 205. a reversing handle; 206. A cable; 3. lifting the upper bracket of the oil cylinder; 301. the lifting oil cylinder is provided with an opening gear; 302. a mounting hole is formed in the lifting oil cylinder; 4. lifting the lower support of the oil cylinder; 401. the lower part of the lifting oil cylinder is provided with a starting gear; 402. lifting the lower mounting hole of the oil cylinder; 5. an oil pipe; 501. a joint; 502. an oil delivery hose; 6. lifting a motor; 601. a second threaded hole; 602. a second oil port; 603. a plug; 7 lifting the motor bracket; 701. a first mounting hole; 702. a second mounting hole; 8. a cab; 9. a chassis.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-11, the utility model provides a pickup truck cab lifting device, including lifting cylinder assembly 1, lifting oil pump assembly 2, lifting cylinder upper bracket 3, lifting cylinder lower bracket 4, oil pipe 5, lifting motor 6, lifting motor support 7, cab 8 and chassis 9, lifting cylinder assembly 1 includes piston rod 103, outer cylinder 104 and oil pipe joint 108, lifting cylinder assembly 1 arranges in the middle part of cab 8, and piston rod 103 one end is connected with the middle part of cab 8 through lifting cylinder upper bracket 3, and outer cylinder 104 one end is connected with chassis 9 through lifting cylinder lower bracket 4; the oil pipe joint 108 is arranged at the bottom of the outer cylinder barrel 104 of the lifting oil cylinder assembly 1 and is connected with the lifting oil pump assembly 2 through an oil pipe 5; when the cab 8 is turned up, hydraulic oil enters the outer cylinder 104 through the oil pipe joint 108, oil pressure is built at the bottom of the oil cylinder, the piston rod 103 is pushed under the action of the oil pressure, the cab 8 is turned up, when the cab falls back, the hydraulic oil flows out of the outer cylinder 104 through the oil pipe joint 108, the oil pressure at the bottom of the oil cylinder is reduced, the piston rod 103 retracts into the outer cylinder 104, and the cab slowly falls back under the action of gravity.

The inner side surface of the lifting oil pump assembly 2 is provided with three threaded holes I201, the lifting oil pump assembly 2 is fixed on a vehicle through bolts, the rear part of the lifting oil pump assembly is provided with a pressing switch 202 for accommodating a crowbar during manual lifting, the front part of the lifting oil pump assembly is provided with an oil tank 203 for storing hydraulic oil, the lower part of the lifting oil pump assembly is provided with an oil port I204 for providing hydraulic oil for the whole lifting system, the outer side surface of the lifting oil pump assembly is provided with a reversing handle 205 for switching a lifting mode and a falling back mode, and meanwhile, the lower part of the reversing handle 205 is provided with a stay rope 206 for unlocking a lifting cylinder stopper; when the cab 8 is turned up, the reversing handle 205 is rotated to the lifting mode, a crowbar is inserted into the pressing switch 202 to press the system, hydraulic oil enters the connecting oil pipe 5 from the oil tank 203 through the oil port I204 and is conveyed to the position of the lifting oil cylinder 1 requiring oil pressure, so that the cab 8 is turned up, when the cab 8 falls back, the reversing handle 205 is rotated to the falling mode, the inhaul cable 206 drives the lifting oil cylinder 1 stopper unlocking switch 107 to unlock the mechanical locking of the lifting oil cylinder 1, the crowbar is inserted into the pressing switch 202 to press the system, and the hydraulic oil returns to the oil tank 203 through the oil port I204 to fall down the cab 8.

The upper part of the lifting oil cylinder assembly 1 is provided with a lifting oil cylinder upper mounting lifting lug 101 which is mounted in a lifting oil cylinder upper mounting opening 301 of the lifting oil cylinder upper bracket 3 through a bolt, the lower part of the lifting oil cylinder assembly is provided with a lifting oil cylinder lower mounting lifting lug 102 which is mounted in a lifting oil cylinder lower mounting opening 401 of the lifting oil cylinder lower bracket 4 through a bolt.

Four upper lifting oil cylinder mounting holes 302 are formed in the top of the upper lifting oil cylinder support 3, the upper lifting oil cylinder support 3 penetrates through the upper lifting oil cylinder mounting holes 302 through bolts to be in threaded connection with a cab 8, or is connected with the cab through welding or riveting, and an upper lifting oil cylinder mounting open gear 301 for mounting a lifting oil cylinder assembly 1 is arranged on the lower portion of the upper lifting oil cylinder support 3; the front part of the lower lifting oil cylinder support 4 is provided with four lower lifting oil cylinder mounting holes 402 which are connected with the chassis 9 through bolts in a screwed mode or in a welded or riveted mode, and the lower part of the lower lifting oil cylinder support 4 is provided with a lower lifting oil cylinder mounting open gear 401 for mounting the lifting oil cylinder assembly 1.

The oil pipe 5 is provided with a joint 501 connected with each functional component of the lifting system, and the middle part is provided with an oil delivery hose for delivering hydraulic oil among the functional components.

The side surface of the lifting motor 6 is provided with two threaded holes 601 which are fixed on the lifting motor bracket 7 through bolts, the lower part of the lifting motor is provided with oil ports 602 for connecting an oil pipe 5, and the upper part of the lifting motor is provided with a plug 603 for connecting a whole vehicle circuit so as to provide electric energy for the motor.

The rear part of the lifting motor support 7 is provided with two mounting holes I701 which are connected with threaded holes II 601 of the lifting motor 6 through bolts, and the side surface of the lifting motor support 7 is provided with two mounting holes II 702 to fix the lifting motor support 7 on the chassis 9.

The lower lifting oil cylinder bracket 4 is arranged on a cross beam and is positioned in front of the upper lifting oil cylinder bracket 3; under the same turnover angle, the required maximum stretching length of the oil cylinder is short, so that the installation lengths of the outer cylinder barrel 104 and the piston rod 103 of the lifting oil cylinder are reduced, and the weight and the cost are further reduced.

The upper part of an outer cylinder barrel 104 of the lifting oil cylinder assembly 1 is provided with a stopper limiting block 106 and a stopper unlocking switch 107 through a mounting bracket 109, a lifting oil cylinder mounting lug 101 is provided with a stopper limiting bracket 105, the stopper unlocking switch 107 is formed by welding a handle 1071 and a shaft 1072, during mounting, the mounting bracket 109, a torsion spring 110 and the stopper limiting block 106 are connected through the shaft 1072, and axial limiting is carried out by using a cotter pin 111. The upper round hole of the shaft 1072 and the upper round hole of the stopper 106 are positioned by penetrating the pin 112. When the lifting cylinder extends to a certain length, the stopper limiting block 106 slides into the limiting opening 1051 of the stopper limiting bracket 105, at the moment, even if the oil pressure of the system fails or other system faults occur, the lifting cylinder can still effectively support the cab, the accident of falling back of the cab is avoided, and the safety is improved. When the cab needs to fall back, the stopper unlocking switch 107 is only needed to be pulled, the torsion of the torsion spring 110 is overcome, and the stopper limiting block 106 rotates along with the stopper unlocking switch 107, so that the mechanical locking is unlocked, and the cab can normally fall back.

The utility model discloses can provide two kinds of configurations of manual lifting and electronic lifting, when needs lift, only need press the lifting switch or use the crowbar to beat for lifting the pump and press, utilize the oil pressure messenger to lift the jar extension to the driver's cabin has been turned over, greatly reduced the operating force of driver's cabin upset, improved the operation convenience. Meanwhile, a mechanical stop dog is integrated on the lifting oil cylinder, the cab falling back when the system is in fault is prevented, the safety is improved, and meanwhile, the stop dog replaces a traditional safety stay bar or a lifting pull belt, so that the space is further saved, and the weight and the cost are reduced. Because the torsion bar spring of the traditional light truck is not available, the cab cannot bounce and hurt people even if the locking is released or fails. In addition, with heavy goods vehicle hydraulic pressure lift the unilateral single cylinder of adoption lift or two side double-cylinders lift the difference in the tradition, the utility model discloses a put the scheme of lifting in the single cylinder, solved the driver's cabin that light goods vehicle driver's cabin rigidity is not enough to arouse crooked, the difficult problem of lock falls, has solved double-cylinder simultaneously and has lifted the problem that the structure is complicated, weight is big, with high costs, arrange the difficulty.

The utility model discloses lift cylinder assembly arranges in the middle part of driver's cabin, and the crooked tendency is little when the driver's cabin upset, satisfies the requirement that the driver's cabin falls to lock, and the relative double-cylinder of arranging that puts in the single cylinder simultaneously arranges and has reduced weight and cost.

The above embodiments of the present invention are only examples, not only, and all changes within the scope of the present invention or the same range of the present invention are all encompassed by the present invention.

Claims

1. The utility model provides a pickup truck driver's cabin lifting devices which characterized in that: the oil pipe lifting device comprises a lifting oil cylinder assembly (1), a lifting oil pump assembly (2), a lifting oil cylinder upper support (3), a lifting oil cylinder lower support (4), an oil pipe (5), a lifting motor (6), a lifting motor support (7), a cab (8) and a chassis (9), wherein the lifting oil cylinder assembly (1) comprises a piston rod (103), an outer cylinder barrel (104) and an oil pipe joint (108), one end of the piston rod (103) of the lifting oil cylinder assembly (1) is connected with the middle part of the cab (8) through the lifting oil cylinder upper support (3), and one end of the outer cylinder barrel (104) is connected with the chassis (9) through the lifting oil cylinder lower support (4); the oil pipe joint (108) is arranged at the bottom of an outer cylinder barrel (104) of the lifting oil cylinder assembly (1) and is connected with the lifting oil pump assembly (2) through an oil pipe (5).

2. The pickup truck cab lifting apparatus as set forth in claim 1, wherein: it sets up three screw hole one (201) and passes through the bolt fastening on the vehicle to lift oil pump assembly (2) medial surface, and the rear portion sets up and presses switch (202) and is used for holding the crowbar when manual lifting, and the front portion sets up oil tank (203) and is used for storing hydraulic oil, and the lower part sets up oil port one (204) and is used for providing hydraulic oil for whole lifting system, and the lateral surface sets up reversing handle (205) and is used for switching lifting mode and mode of falling back, and reversing handle (205) lower part sets up cable (206) and is used for the unblock to lift jar stopper.

3. The pickup truck cab lifting apparatus as set forth in claim 1, wherein: the lifting oil cylinder assembly is characterized in that a lifting oil cylinder upper mounting lifting lug (101) is arranged at the upper part of the lifting oil cylinder assembly (1), the lifting oil cylinder upper mounting lifting lug is mounted on a lifting oil cylinder upper support (3) through a bolt and is arranged in a lifting gear opening (301), a lifting oil cylinder lower mounting lifting lug (102) is arranged at the lower part of the lifting oil cylinder upper mounting lifting lug, and the lifting oil cylinder lower mounting lifting lug is mounted under the lifting oil cylinder lower support (4) through a bolt and is arranged in a lifting gear opening (401).

4. The pickup truck cab lifting apparatus as set forth in claim 1, wherein: the top of the upper lifting oil cylinder support (3) is provided with four upper lifting oil cylinder mounting holes (302), the upper lifting oil cylinder support (3) penetrates through the upper lifting oil cylinder mounting holes (302) through bolts to be in threaded connection with a cab (8) or in welded or riveted connection, and the lower part of the upper lifting oil cylinder support (3) is provided with an upper lifting oil cylinder mounting opening (301) for mounting a lifting oil cylinder assembly (1); the front part of the lower lifting cylinder support (4) is provided with four lower lifting cylinder mounting holes (402) which are in threaded connection with the chassis (9) through bolts or are connected through welding or riveting, and the lower part of the lower lifting cylinder support (4) is provided with a lower lifting cylinder mounting opening (401) for mounting the lifting cylinder assembly (1).

5. The pickup truck cab lifting apparatus as set forth in claim 1, wherein: the oil pipe (5) is provided with a joint (501) which is connected with each functional component of the lifting system, and the middle part of the oil pipe is provided with an oil delivery hose (502) which is used for delivering hydraulic oil among the functional components.

6. The pickup truck cab lifting apparatus as set forth in claim 1, wherein: two threaded holes II (601) are formed in the side face of the lifting motor (6) and fixed to a lifting motor support (7) through bolts, an oil port II (602) is formed in the lower portion of the lifting motor and used for being connected with an oil pipe (5), and a plug (603) is arranged on the upper portion of the lifting motor and connected with a whole vehicle circuit to provide electric energy for the motor.

7. The pickup truck cab lifting apparatus as set forth in claim 1, wherein: the rear part of the lifting motor support (7) is provided with two mounting holes I (701) which are connected with threaded holes II (601) of the lifting motor (6) through bolts, and the side surface of the lifting motor support is provided with two mounting holes II (702) which are used for fixing the lifting motor support (7) on the chassis (9).

8. The pickup truck cab lifting apparatus as set forth in claim 1, wherein: the lower support (4) of the lifting oil cylinder is arranged on a cross beam and is positioned in front relative to the upper support (3) of the lifting oil cylinder.

9. A pickup truck cab lifting apparatus according to any one of claims 1 to 8, wherein: the upper part of an outer cylinder barrel (104) of the lifting oil cylinder assembly (1) is provided with a stopper limiting block (106) and a stopper unlocking switch (107) through a mounting bracket (109), and a lifting lug (101) on the lifting oil cylinder is provided with a stopper limiting bracket (105); the stopper unlocking switch (107) is formed by welding a handle (1071) and a shaft (1072), the mounting bracket (109), the torsion spring (110) and the stopper limiting block (106) are connected through the shaft (1072), the split pin (111) is used for limiting the axial direction, and a round hole in the upper part of the shaft (1072) and a round hole in the upper part of the stopper limiting block (106) are positioned by penetrating a pin (112).

10. A pickup truck characterized in that: cab lifting apparatus according to any one of claims 1 to 9 is provided.